feat: Add AutoNAT behavior #1952

Job	Run time
changes	5s
run-deny	2m 32s
run-cargo-tests	7m 42s
run-docs	5m 41s
run-tests (ubuntu-latest, stable, all)	10m 4s
run-checks (ubuntu-latest, stable)	3m 40s
run-tests (ubuntu-latest, stable, none)	6m 27s
run-checks (ubuntu-latest, nightly)	3m 35s
run-tests-windows (stable, all)	15m 58s
run-tests (ubuntu-latest, nightly, all)	9m 59s
run-checks (ubuntu-latest, 1.75.0)	3m 33s
run-tests-windows (stable, none)	11m 51s
run-tests (ubuntu-latest, nightly, none)	5m 26s
run-checks (macos-14, stable)	3m 46s
run-tests-windows (nightly, all)	11m 27s
run-tests (macos-13, stable, all)	12m 14s
run-checks (macos-14, nightly)	3m 43s
run-tests-windows (nightly, none)	9m 56s
run-tests (macos-13, stable, none)	10m 31s
run-checks (macos-14, 1.75.0)	2m 54s
run-tests (macos-13, nightly, all)	13m 6s
run-checks (windows-latest, stable)	8m 18s
run-tests (macos-13, nightly, none)	8m 37s
build-and-run-examples	0s
run-checks (windows-latest, nightly)	7m 48s
run-checks (windows-latest, 1.75.0)	7m 16s
	3h 6m 9s

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